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Page Title: CYLINDER HEAD AND VALVE ASSEMBLY - Continued
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TM 5-4320-313-14 5-9.  CYLINDER HEAD AND VALVE ASSEMBLY - Continued. e. Adjustment. (Refer to figure 5-22). (1) Move decompression lever (1) clockwise to position "C". (2) Turn engine clockwise until compression resistance can be felt. (3) Check clearance between rockers and valve stem with a feeler gauge. Tappet clearance cold should be 0.004 inch (0.10 mm).  To correct clearance loosen nuts (2) using box wrench (4). (4) Adjust screw (3) with screwdriver until feeler gauge can be pulled between rocker and valve stem with very slight resistance after nuts (2) have been tightened. Figure 5-22.  Tappet Clearance Adjustment. (5) Refer to figure 5-23.  The adjustment of decompression adjustment screw (1) is required if the engine does not decompress when the decompression lever is in position "A". (6) Turn engine clockwise and put decompression lever in position "A". (7) Loosen nut (2) using box wrench (3) and turn adjustment screw (1) clockwise until rocker touches valve stem. (8) Turn adjustment screw (1) another half turn and secure by tightening nut (2). (9) Check clearance of complete pushrod (4) and pinion (5). 5-34

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